<p>Semi-quantitative RT-PCR analysis of steady-state <i>Fry</i> mRNA levels in somatic tissues of Cop and F344 rats. β-actin expression was used for normalization (lower panel). (<b>B</b>) Semi-quantitative RT-PCR analysis of steady-state Fry mRNA levels in normal mammary tissue, mammary tumors and normal mammary tissue collected from the matched tumor bearing F344 rats. β-actin mRNA of rat was used for normalization (lower panel). (C) Image densitometry in (B) was quantified using Image J software.</p
